/usr/share/doc/libgdk-pixbuf2.0-dev/AUTHORS is in libgdk-pixbuf2.0-dev 2.30.7-0ubuntu1.8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgdk-pixbuf2.0-dev/../libgdk-pixbuf2.0-0/AUTHORS